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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c')
-rw-r--r-- | linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c new file mode 100644 index 0000000000..85fd33f4a8 --- /dev/null +++ b/linuxthreads/sysdeps/unix/sysv/linux/ia64/pt-initfini.c @@ -0,0 +1,140 @@ +/* Special .init and .fini section support for ia64. LinuxThreads version. + Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it + and/or modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file with other + programs, and to distribute those programs without any restriction + coming from the use of this file. (The Lesser General Public + License restrictions do apply in other respects; for example, they + cover modification of the file, and distribution when not linked + into another program.) + + The GNU C Library is distributed in the hope that it will be + useful, but WITHOUT ANY WARRANTY; without even the implied warranty + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* This file is compiled into assembly code which is then munged by a sed + script into two files: crti.s and crtn.s. + + * crti.s puts a function prologue at the beginning of the + .init and .fini sections and defines global symbols for + those addresses, so they can be called as functions. + + * crtn.s puts the corresponding function epilogues + in the .init and .fini sections. */ + +#include <stddef.h> + +#ifdef HAVE_INITFINI_ARRAY + +# define INIT_NEW_WAY \ + ".xdata8 \".init_array\", @fptr(__pthread_initialize_minimal)\n" +# define INIT_OLD_WAY "" +#else +# define INIT_NEW_WAY "" +# define INIT_OLD_WAY \ + "\n\ + st8 [r12] = gp, -16\n\ + br.call.sptk.many b0 = __pthread_initialize_minimal# ;;\n\ + ;;\n\ + adds r12 = 16, r12\n\ + ;;\n\ + ld8 gp = [r12]\n\ + ;;\n" +#endif + +__asm__ ("\n\ +\n\ +#include \"defs.h\"\n\ +\n\ +/*@HEADER_ENDS*/\n\ +\n\ +/*@_init_PROLOG_BEGINS*/\n" + INIT_NEW_WAY + ".section .init\n\ + .align 16\n\ + .global _init#\n\ + .proc _init#\n\ +_init:\n\ + .prologue\n\ + .save ar.pfs, r34\n\ + alloc r34 = ar.pfs, 0, 3, 0, 0\n\ + .vframe r32\n\ + mov r32 = r12\n\ + .save rp, r33\n\ + mov r33 = b0\n\ + .body\n\ + adds r12 = -16, r12\n\ + ;;\n" + INIT_OLD_WAY + ".endp _init#\n\ +\n\ +/*@_init_PROLOG_ENDS*/\n\ +\n\ +/*@_init_EPILOG_BEGINS*/\n\ + .section .init\n\ + .proc _init#\n\ + .prologue\n\ + .save ar.pfs, r34\n\ + .vframe r32\n\ + .save rp, r33\n\ + .body\n\ + mov r12 = r32\n\ + mov ar.pfs = r34\n\ + mov b0 = r33\n\ + br.ret.sptk.many b0\n\ + .endp _init#\n\ +/*@_init_EPILOG_ENDS*/\n\ +\n\ +/*@_fini_PROLOG_BEGINS*/\n\ + .section .fini\n\ + .align 16\n\ + .global _fini#\n\ + .proc _fini#\n\ +_fini:\n\ + .prologue\n\ + .save ar.pfs, r34\n\ + alloc r34 = ar.pfs, 0, 3, 0, 0\n\ + .vframe r32\n\ + mov r32 = r12\n\ + .save rp, r33\n\ + mov r33 = b0\n\ + .body\n\ + adds r12 = -16, r12\n\ + ;;\n\ + .endp _fini#\n\ +\n\ +/*@_fini_PROLOG_ENDS*/\n\ +\n\ +/*@_fini_EPILOG_BEGINS*/\n\ + .section .fini\n\ + .proc _fini#\n\ + .prologue\n\ + .save ar.pfs, r34\n\ + .vframe r32\n\ + .save rp, r33\n\ + .body\n\ + mov r12 = r32\n\ + mov ar.pfs = r34\n\ + mov b0 = r33\n\ + br.ret.sptk.many b0\n\ + .endp _fini#\n\ +\n\ +/*@_fini_EPILOG_ENDS*/\n\ +\n\ +/*@TRAILER_BEGINS*/\n\ + .weak __gmon_start__#\n\ +"); |